C#

Anusha Sridhar wrote:

Can anyone please share me the code for this.

Bastard Programmer from Hell
if you can't read my code, try converting it here[^]

create table Test (ID number,Name string)
insert into Test VALUES ('1','Alice')
insert into Test VALUES ('2','Bob')
SELECT * FROM Test

int a = ((int)(Kvp1.Value)) + 1; // untested but should compile

private KeyValuePair<Type, object> kvpTO;

private void messWith_kvpTO()
{
    kvpTO = new KeyValuePair<Type, object>(typeof(string), "some text");

    Type workingType = kvpTO.Key;
    // workingType now contains:
    // [System.RuntimeType] = {Name = "String" FullName = "System.String"}

    // fail "cannot recognize kvpTO"
    //string kvpString = (workingType) kvpTO.Value;

    // fail "cannot recognize kvpTO"
    //string kvpString = kvpTO.Value as workingType;
}

string kvpString = Convert.ChangeType(kvpTO.Value, kvpTO.Key);

string kvpString = Convert.ChangeType(kvpTO.Value, kvpTO.Key);

Double d = -2.345;
int i = (int)Convert.ChangeType(d, typeof(int));

Console.WriteLine("The double value {0} when converted to an int becomes {1}", d, i);

string s = "12/12/98";
DateTime dt = (DateTime)Convert.ChangeType(s, typeof(DateTime));

public static T GetValue<T>(KeyValuePair<Type, object> keyValuePair)
{
    return (T)Convert.ChangeType(keyValuePair.Value, typeof(T));
}

KeyValuePair<Type, object> keyValuePair = MakeKeyValuePair(123.58);
int i = GetValue<int>(keyValuePair) + 1;
Console.WriteLine(i); // 125 as 123.58 is rounded to 124 when casted, then 1 is added

public static KeyValuePair<Type, object> MakeKeyValuePair(object obj)
{
    return new KeyValuePair<Type, object>(obj.GetType(), obj);
}

public static dynamic x_GetValue<T>(KeyValuePair<Type, object> keyValuePair)
{
    return Convert.ChangeType(keyValuePair.Value, typeof(T));
}

// usage example
string kvpString = x_GetValue<dynamic>(kvpTO);

// an alternate usage using 'var
var kvpString = x_GetValue<dynamic>(kvpTO);

kvpString += "... even more text";

Console.WriteLine(kvpString.GetType() + " : " + kvpString);

BillWoodruff wrote:

the programmer is still going to need to know, in all cases, what type of value will be returned

BillWoodruff wrote:

Would it benefit others on CP

using (Form f = new Form() { Text = "Hello World" })
{
	f.ShowDialog(this);
}

Bastard Programmer from Hell
if you can't read my code, try converting it here[^]

using(MailMessage message = new MailMessage()
            {
                // set message-object properties.
                From = new MailAddress("mailx@website.com", "it's me."),
                Subject = "test",
                Body = "Hello"
            })

using ( MailMessage message = new MailMessage()
            {
                // set message-object properties.
                From = new MailAddress("mailX@website.com", "it's me."),
                Subject = subject,
                Body = userMessage
            })
            {
                message.To.Add(new MailAddress(_strMailAddressX, "FromX"));
                message.To.Add(new MailAddress(_strMailAddressY, "FromY"));               

                SmtpClient mailClient = new SmtpClient();
                mailClient.Send(message);
            }
            return true;